btsoutsold btsoutsold

27-03-2021
Chemistry

contestada

What the concentration of oxygen

Respuesta :

2706012 2706012

27-03-2021

Answer:

19.5%

Explanation:

Answer Link

skjckjsfbsjvbasjhbsh skjckjsfbsjvbasjhbsh

27-03-2021

the air required for human breathing is 19.5 percent.

Answer Link

Otras preguntas

You have two nickels three dimes and a quarter. Using at least one of each coin, how many different amounts of money can you make? Explain

Back injuries represent a minor cause of lost work time true or false

What actions did the american government take to create consensus?

Linda says we're free and clear. what is the double meaning here

The term hispanic is used by the u.s. federal government to describe anyone

Which 16th century astronomer used mathematics to conclude that the earth revolves around the sun and published His findings in on the revolution of heavenly bo

What is the good mental health?

Bob had perfect vision until he was 45, and then he needed to start wearing glasses for reading. Most likely, Bob has developed a visual problem called

The kinetic energy of the car at z is ______ the kinetic energy at q. the total energy at q is ________ the total energy at g. the speed of the car at z is ____

Please help 1. The first forms of life on Earth a. appeared about 10,000 years ago b. could easily maintain a stable internal environment c. were single-celle